What Is a Neutrino

question 34

Multiple Choice

What is a neutrino?

• A) particle with the same mass as an electron but with no electrical charge
• B) uncharged proton
• C) positively charged electron that combines with an ordinary electron to form an uncharged "light atom"
• D) chargeless particle with a very small mass, a small fraction of that of the electron

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Definitions:

Monocytes

A form of leukocyte crucial to the immune system, as it evolves into macrophages and dendritic cells.

Neutrophils

A type of white blood cell that helps the body fight infections by engulfing and destroying bacteria and fungi.

Agranulocyte

Nongranular leukocyte (monocyte or lymphocyte).

Eosinophil

A type of white blood cell involved in allergic reactions and fighting parasitic infections.